iwlwifi: pcie: claim ownership on the device after stop_device()
authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 30 Nov 2014 15:06:11 +0000 (17:06 +0200)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Mon, 1 Dec 2014 10:04:45 +0000 (12:04 +0200)
Not doing so would allow other possible users of the device
to take ownership and prevent normal WiFi operation.

This fixes the second part of:
https://bugzilla.kernel.org/show_bug.cgi?id=87191

Reviewed-by: Moshe Harel <moshe.harel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/pcie/trans.c

index a3b63b77b4baa5475912185b8772d5163a7923d1..7d7f05ebe05d3365b5c3e19aba3c6dc94cdd2e94 100644 (file)
@@ -994,6 +994,9 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans)
                clear_bit(STATUS_RFKILL, &trans->status);
        if (hw_rfkill != was_hw_rfkill)
                iwl_trans_pcie_rf_kill(trans, hw_rfkill);
+
+       /* re-take ownership to prevent other users from stealing the deivce */
+       iwl_pcie_prepare_card_hw(trans);
 }
 
 void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state)